20940080280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24928667}}^1$

素因数の和:24928688

約数の個数: 64

約数和(自身を含む): 71794563840

約数和(自身を除く): 50854483560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24928667, 49857334, 74786001, 99714668, 124643335, 149572002, 174500669, 199429336, 249286670, 299144004, 349001338, 373930005, 498573340, 523502007, 598288008, 698002676, 747860010, 872503345, 997146680, 1047004014, 1396005352, 1495720020, 1745006690, 2094008028, 2617510035, 2991440040, 3490013380, 4188016056, 5235020070, 6980026760, 10470040140, 20940080280]

約数ペア:

[(1, 20940080280), (2, 10470040140), (3, 6980026760), (4, 5235020070), (5, 4188016056), (6, 3490013380), (7, 2991440040), (8, 2617510035), (10, 2094008028), (12, 1745006690), (14, 1495720020), (15, 1396005352), (20, 1047004014), (21, 997146680), (24, 872503345), (28, 747860010), (30, 698002676), (35, 598288008), (40, 523502007), (42, 498573340), (56, 373930005), (60, 349001338), (70, 299144004), (84, 249286670), (105, 199429336), (120, 174500669), (140, 149572002), (168, 124643335), (210, 99714668), (280, 74786001), (420, 49857334), (840, 24928667)]